Analysis

  • max time kernel
    26s
  • max time network
    104s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    11-05-2021 12:04

General

  • Target

    208a5524_by_Libranalysis.dll

  • Size

    162KB

  • MD5

    208a55243ca78ac6e31f2f22f2e40fce

  • SHA1

    23ca0f5dfe499ea2f265ba32762d17a9f2416d0e

  • SHA256

    d27baeec8116170aa2471d1eac8bf30447841d953a83b3478e6b610757ff5c72

  • SHA512

    1c5ee0c318ba1c5f1b6d0427b30d1ef9a8eaf62fa5876971f23088f7b8a3dc814876054cffedf757e43357ee7567061b228864f33997e6bd7935e59d408d2a0c

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Loader 1 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\208a5524_by_Libranalysis.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\208a5524_by_Libranalysis.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1640

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads

  • memory/1640-60-0x0000000000000000-mapping.dmp
  • memory/1640-61-0x00000000765F1000-0x00000000765F3000-memory.dmp
    Filesize

    8KB

  • memory/1640-62-0x00000000754B0000-0x00000000754DE000-memory.dmp
    Filesize

    184KB

  • memory/1640-64-0x0000000000120000-0x0000000000126000-memory.dmp
    Filesize

    24KB